276 lines
11 KiB
C
276 lines
11 KiB
C
/** @file
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This file has APIs for CPU specific features.
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@copyright
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INTEL CONFIDENTIAL
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Copyright 2020 Intel Corporation.
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The source code contained or described herein and all documents related to the
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source code ("Material") are owned by Intel Corporation or its suppliers or
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licensors. Title to the Material remains with Intel Corporation or its suppliers
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and licensors. The Material may contain trade secrets and proprietary and
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confidential information of Intel Corporation and its suppliers and licensors,
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and is protected by worldwide copyright and trade secret laws and treaty
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provisions. No part of the Material may be used, copied, reproduced, modified,
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published, uploaded, posted, transmitted, distributed, or disclosed in any way
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without Intel's prior express written permission.
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No license under any patent, copyright, trade secret or other intellectual
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property right is granted to or conferred upon you by disclosure or delivery
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of the Materials, either expressly, by implication, inducement, estoppel or
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otherwise. Any license under such intellectual property rights must be
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express and approved by Intel in writing.
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Unless otherwise agreed by Intel in writing, you may not remove or alter
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this notice or any other notice embedded in Materials by Intel or
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Intel's suppliers or licensors in any way.
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This file contains an 'Intel Peripheral Driver' and is uniquely identified as
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"Intel Reference Module" and is licensed for Intel CPUs and chipsets under
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the terms of your license agreement with Intel or your vendor. This file may
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be modified by the user, subject to additional terms of the license agreement.
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@par Specification Reference:
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**/
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#ifndef _CPU_SPECIFIC_FEATURES_H_
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#define _CPU_SPECIFIC_FEATURES_H_
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#include <PiPei.h>
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#include <Library/RegisterCpuFeaturesLib.h>
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/**
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Detects if HDC feature supported on current processor.
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@param[in] ProcessorNumber The index of the CPU executing this function.
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@param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION
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structure for the CPU executing this function.
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@param[in] ConfigData A pointer to the configuration buffer returned
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by CPU_FEATURE_GET_CONFIG_DATA. NULL if
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CPU_FEATURE_GET_CONFIG_DATA was not provided in
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RegisterCpuFeature().
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@retval TRUE HDC feature is supported.
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@retval FALSE HDC feature is not supported.
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@note This service could be called by BSP/APs.
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**/
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BOOLEAN
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EFIAPI
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IsHdcSupport (
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IN UINTN ProcessorNumber,
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IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,
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IN VOID *ConfigData OPTIONAL
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);
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/**
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Initializes HDC feature to specific state.
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@param[in] ProcessorNumber The index of the CPU executing this function.
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@param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION
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structure for the CPU executing this function.
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@param[in] ConfigData A pointer to the configuration buffer returned
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by CPU_FEATURE_GET_CONFIG_DATA. NULL if
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CPU_FEATURE_GET_CONFIG_DATA was not provided in
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RegisterCpuFeature().
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@param[in] State If TRUE, then the HDC feature must be enabled.
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If FALSE, then the HDC feature must be disabled.
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@retval RETURN_SUCCESS HDC feature is initialized.
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@note This service could be called by BSP only.
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**/
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RETURN_STATUS
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EFIAPI
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HdcInitialize (
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IN UINTN ProcessorNumber,
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IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,
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IN VOID *ConfigData, OPTIONAL
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IN BOOLEAN State
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);
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/**
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Initializes Mlc Streamer Prefetcher feature to specific state.
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@param[in] ProcessorNumber The index of the CPU executing this function.
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@param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION
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structure for the CPU executing this function.
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@param[in] ConfigData A pointer to the configuration buffer returned
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by CPU_FEATURE_GET_CONFIG_DATA. NULL if
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CPU_FEATURE_GET_CONFIG_DATA was not provided in
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RegisterCpuFeature().
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@param[in] State If TRUE, then the Mlc Streamer Prefetcher feature
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must be enabled.
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If FALSE, then the Mlc Streamer Prefetcher feature
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must be disabled.
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@retval RETURN_SUCCESS Mlc Streamer Prefetcher feature is initialized.
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@note This service could be called by BSP only.
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**/
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RETURN_STATUS
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EFIAPI
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MlcStreamerPrefetcherInitialize (
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IN UINTN ProcessorNumber,
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IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,
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IN VOID *ConfigData, OPTIONAL
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IN BOOLEAN State
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);
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/**
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Initializes Mlc Spatial Prefetcher feature to specific state.
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@param[in] ProcessorNumber The index of the CPU executing this function.
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@param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION
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structure for the CPU executing this function.
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@param[in] ConfigData A pointer to the configuration buffer returned
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by CPU_FEATURE_GET_CONFIG_DATA. NULL if
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CPU_FEATURE_GET_CONFIG_DATA was not provided in
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RegisterCpuFeature().
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@param[in] State If TRUE, then the Mlc Spatial Prefetcher feature
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must be enabled.
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If FALSE, then the Mlc Spatial Prefetcher feature
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must be disabled.
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@retval RETURN_SUCCESS Mlc Spatial Prefetcher feature is initialized.
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@note This service could be called by BSP only.
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**/
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RETURN_STATUS
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EFIAPI
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MlcSpatialPrefetcherInitialize (
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IN UINTN ProcessorNumber,
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IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,
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IN VOID *ConfigData, OPTIONAL
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IN BOOLEAN State
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);
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/**
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Initializes Apic Tpr Message feature to specific state.
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@param[in] ProcessorNumber The index of the CPU executing this function.
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@param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION
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structure for the CPU executing this function.
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@param[in] ConfigData A pointer to the configuration buffer returned
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by CPU_FEATURE_GET_CONFIG_DATA. NULL if
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CPU_FEATURE_GET_CONFIG_DATA was not provided in
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RegisterCpuFeature().
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@param[in] State If TRUE, then the ApicTprUpdateMessage feature
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must be enabled.
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If FALSE, then the ApicTprUpdateMessage feature
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must be disabled.
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@retval RETURN_SUCCESS ApicTprUpdateMessage feature is initialized.
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@note This service could be called by BSP only.
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**/
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RETURN_STATUS
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EFIAPI
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ApicTprUpdateMessageInitialize (
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IN UINTN ProcessorNumber,
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IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,
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IN VOID *ConfigData, OPTIONAL
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IN BOOLEAN State
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);
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/**
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Initializes three Strike Counter feature to specific state.
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@param[in] ProcessorNumber The index of the CPU executing this function.
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@param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION
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structure for the CPU executing this function.
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@param[in] ConfigData A pointer to the configuration buffer returned
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by CPU_FEATURE_GET_CONFIG_DATA. NULL if
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CPU_FEATURE_GET_CONFIG_DATA was not provided in
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RegisterCpuFeature().
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@param[in] State If TRUE, then the three Strike Counter feature
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must be enabled.
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If FALSE, then the three Strike Counter feature
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must be disabled.
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@retval RETURN_SUCCESS Three Strike Counter feature is initialized.
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@note This service could be called by BSP only.
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**/
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RETURN_STATUS
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EFIAPI
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ThreeStrikeCounterInitialize (
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IN UINTN ProcessorNumber,
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IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,
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IN VOID *ConfigData, OPTIONAL
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IN BOOLEAN State
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);
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/**
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Prepares for the data used by CPU feature detection and initialization.
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@param[in] NumberOfProcessors The number of CPUs in the platform.
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@return Pointer to a buffer of CPU related configuration data.
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@note This service could be called by BSP only.
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**/
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VOID *
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EFIAPI
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SpecificPpinGetConfigData (
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IN UINTN NumberOfProcessors
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);
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/**
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Detects if Protected Processor Inventory Number feature supported on current
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processor.
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@param[in] ProcessorNumber The index of the CPU executing this function.
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@param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION
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structure for the CPU executing this function.
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@param[in] ConfigData A pointer to the configuration buffer returned
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by CPU_FEATURE_GET_CONFIG_DATA. NULL if
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CPU_FEATURE_GET_CONFIG_DATA was not provided in
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RegisterCpuFeature().
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@retval TRUE Protected Processor Inventory Number feature is supported.
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@retval FALSE Protected Processor Inventory Number feature is not supported.
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@note This service could be called by BSP/APs.
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**/
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BOOLEAN
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EFIAPI
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IsSpecificPpinSupport (
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IN UINTN ProcessorNumber,
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IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,
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IN VOID *ConfigData OPTIONAL
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);
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/**
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Initializes Protected Processor Inventory Number feature to specific state.
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@param[in] ProcessorNumber The index of the CPU executing this function.
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@param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION
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structure for the CPU executing this function.
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@param[in] ConfigData A pointer to the configuration buffer returned
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by CPU_FEATURE_GET_CONFIG_DATA. NULL if
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CPU_FEATURE_GET_CONFIG_DATA was not provided in
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RegisterCpuFeature().
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@param[in] State If TRUE, then the Protected Processor Inventory
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Number feature must be enabled.
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If FALSE, then the Protected Processor Inventory
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Number feature must be disabled.
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@retval RETURN_SUCCESS Protected Processor Inventory Number feature is
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initialized.
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@retval RETURN_DEVICE_ERROR Device can't change state because it has been
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locked.
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@note This service could be called by BSP only.
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**/
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RETURN_STATUS
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EFIAPI
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SpecificPpinInitialize (
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IN UINTN ProcessorNumber,
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IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,
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IN VOID *ConfigData, OPTIONAL
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IN BOOLEAN State
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);
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#endif
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